Related Party Transactions/Activity	6 Months Ended
Nov. 30, 2019
Related Party Transactions [Abstract]
Related Party Transactions/Activity	Note 5. Related Party Transactions/Activity Yorktown Management & Financial Services, LLC Yorktown Management & Financial Services, LLC (“Yorktown”), an entity wholly-owned by Greystone’s CEO and President, owns and rents to Greystone (1) grinding equipment used to grind raw materials for Greystone’s pallet production and (2) extruders for pelletizing recycled plastic into pellets for resale and for use as raw material in the manufacture of pallets. GSM pays weekly rental fees to Yorktown of $27,500 for use of Yorktown’s grinding equipment and pelletizing equipment. Rental fees were $715,000 for the each of the six months ended November 30, 2019 and 2018. Effective January 1, 2017, Greystone and Yorktown entered into a five-year lease for office space at a monthly rental of $4,000 per month. Total rent expense was $24,000 for each of the six months ended November 30, 2019 and 2018. At November 30, 2019, future minimum payments under the non-cancelable operating lease for the remaining three years are $48,000, $48,000, and $4,000. TriEnda Holdings, L.L.C. TriEnda Holdings, L.L.C. (“TriEnda”) is a manufacturer of plastic pallets, protective packing and dunnage utilizing thermoform processing for which Warren Kruger, Greystone’s President and CEO, serves TriEnda as the non-executive Chairman of the Board and is a partner in a partnership which has a majority ownership interest in TriEnda. Greystone periodically purchases material and pallets from TriEnda. Purchases for the six months ended November 30, 2019 and 2018 totaled $5,400 and $42,349, respectively. Green Plastic Pallets Greystone sells plastic pallets to Green Plastic Pallets (“Green”), an entity that is owned by James Kruger, brother to Warren Kruger, Greystone’s President and CEO. Greystone had sales to Green of $271,320 and $167,400 for the six months ended November 30, 2019 and 2018, respectively. The account receivable due from Green at November 30, 2019 was $96,900.

Related Party Transactions/Activity

6 Months Ended

Nov. 30, 2019

Note 5. Related Party Transactions/Activity

Yorktown Management & Financial Services, LLC

Yorktown Management & Financial Services, LLC (“Yorktown”), an entity wholly-owned by Greystone’s CEO and President, owns and rents to Greystone (1) grinding equipment used to grind raw materials for Greystone’s pallet production and (2) extruders for pelletizing recycled plastic into pellets for resale and for use as raw material in the manufacture of pallets. GSM pays weekly rental fees to Yorktown of $27,500 for use of Yorktown’s grinding equipment and pelletizing equipment. Rental fees were $715,000 for the each of the six months ended November 30, 2019 and 2018.

Effective January 1, 2017, Greystone and Yorktown entered into a five-year lease for office space at a monthly rental of $4,000 per month. Total rent expense was $24,000 for each of the six months ended November 30, 2019 and 2018. At November 30, 2019, future minimum payments under the non-cancelable operating lease for the remaining three years are $48,000, $48,000, and $4,000.

TriEnda Holdings, L.L.C.

TriEnda Holdings, L.L.C. (“TriEnda”) is a manufacturer of plastic pallets, protective packing and dunnage utilizing thermoform processing for which Warren Kruger, Greystone’s President and CEO, serves TriEnda as the non-executive Chairman of the Board and is a partner in a partnership which has a majority ownership interest in TriEnda. Greystone periodically purchases material and pallets from TriEnda. Purchases for the six months ended November 30, 2019 and 2018 totaled $5,400 and $42,349, respectively.

Green Plastic Pallets

Greystone sells plastic pallets to Green Plastic Pallets (“Green”), an entity that is owned by James Kruger, brother to Warren Kruger, Greystone’s President and CEO. Greystone had sales to Green of $271,320 and $167,400 for the six months ended November 30, 2019 and 2018, respectively. The account receivable due from Green at November 30, 2019 was $96,900.